Because of ignorance you often face trouble with your computer. In fact your computer should deserve some regular care to keep its health well. And you should know that when your computer is in well condition you must feel well. So take care of your daily friend.
As a beginner or existing user you must get an internet security program to get rid of enemy software like malware, spywayre and viruses that can damage your computer system. You can also use smartCleaner to keep the computer clean & speedy.
Second most important thing is to clean the hard drive in regular interval. Clean up unnecessary files or unused files. Too much junk files make your PC slow and provide sluggish performance.
During download try to be careful. Never download so many programs that can welcome spyware and malware to disturb you. So get away from it and enjoy faster speed not slower.
You should not download files that are not necessary to you. Think before to download a file because of internet virus that can ruin your system.
Downloading smart defrag is also a good way to keep your computer smart and fast. Usually smart defraggers let you to defrag more things than just a usual one.
Another good way is to download game booster if you like to play and enjoy games. Downloading game booster must provide you faster performance.